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Evaluating the Accuracy and Reliability of Real-World Digital Mobility Outcomes in Older Adults After Hip Fracture: Cross-Sectional Observational Study

Evaluating the Accuracy and Reliability of Real-World Digital Mobility Outcomes in Older Adults After Hip Fracture: Cross-Sectional Observational Study

For each WB, 6 gait characteristics were obtained from the single wearable device and the reference system: cadence (steps per minute; the number of steps taken per minute), stride length (meters; the length of 2 consecutive steps), number of steps, stride duration (seconds) [27], walking speed (m/s) [26], and distance (meters). The walked distance was calculated by multiplying 2 validated DMOs [27]: average walking speed × WB duration.

Martin A Berge, Anisoara Paraschiv-Ionescu, Cameron Kirk, Arne Küderle, Encarna Micó-Amigo, Clemens Becker, Andrea Cereatti, Silvia Del Din, Monika Engdal, Judith Garcia-Aymerich, Karoline B Grønvik, Clint Hansen, Jeffrey M Hausdorff, Jorunn L Helbostad, Carl-Philipp Jansen, Lars Gunnar Johnsen, Jochen Klenk, Sarah Koch, Walter Maetzler, Dimitrios Megaritis, Arne Müller, Lynn Rochester, Lars Schwickert, Kristin Taraldsen, Beatrix Vereijken

JMIR Form Res 2025;9:e67792

Comparing Digital Versus Face-to-Face Delivery of Systemic Psychotherapy Interventions: Systematic Review and Meta-Analysis of Randomized Controlled Trials

Comparing Digital Versus Face-to-Face Delivery of Systemic Psychotherapy Interventions: Systematic Review and Meta-Analysis of Randomized Controlled Trials

Digital delivery provides solutions to many mental health intervention obstacles, such as limited access [1], geographical distance [2], financial constraints [3], and transportation issues [4]. These factors, and not least the COVID-19 pandemic [5], have contributed to increased delivery of digital modalities of mental health care [6].

Pieter Erasmus, Moritz Borrmann, Jule Becker, Lars Kuchinke, Gunther Meinlschmidt

Interact J Med Res 2025;14:e46441

Assessing the Effectiveness of a Massive Open Online Course for Caregivers Amid the COVID-19 Pandemic: Methodological Study

Assessing the Effectiveness of a Massive Open Online Course for Caregivers Amid the COVID-19 Pandemic: Methodological Study

Therefore, traditional education has been gradually superseded or supplemented by distance education, supported by virtual classes and other web-based tools [7,8]. Massive open online courses (MOOCs) have emerged as a solution to support the empowerment of family caregivers of vulnerable people, especially in times of social isolation. These courses are presented as a new pedagogical approach that helps overcome learning barriers.

Maria José Lumini, Maria Rui Sousa, Berta Salazar, Teresa Martins

JMIR Form Res 2023;7:e48398

Step and Distance Measurement From a Low-Cost Consumer-Based Hip and Wrist Activity Monitor: Protocol for a Validity and Reliability Assessment

Step and Distance Measurement From a Low-Cost Consumer-Based Hip and Wrist Activity Monitor: Protocol for a Validity and Reliability Assessment

Using proprietary algorithms, data from measures collected along with information input by the user can estimate steps, distance, physical activity, kilocalories, and sleep [4,5,25,26]. Among these outputs, step and distance measurements while walking remain the most popular and translatable outputs in use today [4,25,27-29].

Thomas Carlin, Nicolas Vuillerme

JMIR Res Protoc 2021;10(1):e21262

Accuracy of Fitbit Devices: Systematic Review and Narrative Syntheses of Quantitative Data

Accuracy of Fitbit Devices: Systematic Review and Narrative Syntheses of Quantitative Data

There were 2 studies (17 accuracy comparisons) examining Fitbit device distance measurement accuracy in a controlled setting in healthy young adults (Multimedia Appendix 3) [33,48]. Both studies reported a Fitbit tendency to overestimate distance at slower and self-paced ambulation speeds (varying from 5% [torso] to 25% [wrist]) and underestimate distance at brisk walking or jogging speeds (varying from –15% [wrist] to –5% [torso]).

Lynne M C. Feehan, Jasmina Geldman, Eric C Sayre, Chance Park, Allison M Ezzat, Ju Young Yoo, Clayon B Hamilton, Linda C Li

JMIR Mhealth Uhealth 2018;6(8):e10527